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Mary Hennessey 1882 - 1975

Mary Hennessey of Lynn, Essex County, MA was born on July 20, 1882, and died at age 92 years old in June 1975.

Mary Hennessey

Lynn, Essex County, MA 01902

July 20, 1882

June 1975

Female

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Mary Hennessey Mary Hennessey (1882 - 1975)

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Mary Hennessey's History: 1882 - 1975

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07/20

1882

Birthday

July 20, 1882

Birthdate

Unknown

Birthplace

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06/dd

1975

Death

June 1975

Death date

Unknown
Cause of death

Unknown
Death location

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Mary Hennessey lived 19 years longer than the average family member when died at the age of 92.

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Mary Hennessey lived 19 years longer than the average family member when died at the age of 92.

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Did you know?

In 1882, in the year that Mary Hennessey was born, on September 4th, the switch to the first commercial electrical power plant in the U.S. - at 255-257 Pearl Street - was flipped by Thomas Edison. It lit one square mile of lower Manhattan and was powered by coal. The "electrical age" had begun.

Did you know?

In 1942, at the age of 60 years old, Mary was alive when on June 17th, Roosevelt approved the Manhattan Project, which lead to the development of the first atomic bomb. With the support of Canada and the United Kingdom, the Project came to employ more than 130,000 people and cost nearly $2 billion. Julius Robert Oppenheimer, a nuclear physicist born in New York, led the Los Alamos Laboratory that developed the actual bomb. The first artificial nuclear explosion took place near Alamogordo New Mexico on July 16, 1945.

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